OHLC in Streaming APIs

GraphQL Tutorials
1

Please check the following query, which provides real-time OHLC data in streaming APIs.

{
  EVM(dataset: realtime) {
    DEXTradeByTokens(
      orderBy: {ascendingByField: "Block_Time"}
      where: {Trade: {Side: {Currency: {SmartContract: {is: "0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2"}}, Type: {is: buy}}, Currency: {SmartContract: {is: "0xdac17f958d2ee523a2206206994597c13d831ec7"}}}}
     
    ) {
      Block {
        Time(interval: {in: minutes, count: 10})
      }
      volume: sum(of: Trade_Amount)
      Trade {
        high: Price(maximum: Trade_Price)
        low: Price(minimum: Trade_Price)
        open: Price(minimum: Block_Number)
        close: Price(maximum: Block_Number)
      }
      count
    }
  }
}
3 Likes
2

What is the purpose of getting ’count’ in this example?

3

count in this case is the number of trades. It is an additional metric, you can remove it if you don’t need that information.